Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–5 of 5 inventors

Rank Inventor Primary Company Patents
1 Taiji Ema Fujitsu Limited 3
2 Koji Sahashi Ntn 2
3 Teiji Sakuma Sumitomo Wiring Systems 1
3 Masayuki Hori Brother Kogyo 1
3 Shinya Mitani Advics Co. 1